Wednesday, October 23rd, 2013
Newborn babies who are bottle-fed are twice as likely to develop a relatively rare stomach obstruction that can only be repaired surgically, according to a new study published in the journal JAMA Pediatrics. More from Today.com:
Researchers still don’t know why some babies develop the obstruction, known as hypertrophic pyloric stenosis, said the study’s lead author, Dr. Jarod McAteer, a surgery research fellow at Seattle Children’s Hospital. This study just pinpoints some of the factors that increase the risk, he added.
What scientists do know is that in certain infants, the one-way valve, or sphincter, that allows partially digested food to progress from the stomach to the small intestine can stop working when the muscle that controls the valve’s opening and closing gets too thick. At that point, the connection between the stomach and the small intestine is essentially blocked.
Babies are at risk only when they are between 3- and 6-weeks- old, McAteer said.
“Usually in the first couple of weeks of life, they are completely normal, healthy babies,” he said. “Then they start vomiting and it progressively gets worse over a period of several days until they can’t hold anything down.”
The only solution is surgery to cut the muscle so it will relax and allow food to pass, McAteer said.
For the new study, McAteer and his colleagues from the University of Washington compared 714 infants who developed hypertrophic pyloric stenosis to 7,140 “control” babies who did not develop the obstruction.
After accounting for other known risk factors for obstruction, such as being male and first born, the researchers determined that bottle feeding also significantly raised the risk. In fact, bottle feeding was twice as common among babies with an obstruction, at 19.5 percent, compared with those in the control group (9.1 percent).
Babies with older mothers were also more likely to develop HPS.
Image: Baby with bottle, via Shutterstock
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Tuesday, October 22nd, 2013
Breast milk that is either donated or sold online is often tainted with bacteria that could sicken a baby, according to a study published in the journal Pediatrics. The growing industry of donated or commercially available breastmilk is unregulated, and so is difficult to track and maintain safety measures. More from The New York Times:
“The study makes you worry,” said Dr. Richard A. Polin, the director of neonatology and perinatology at Columbia University, who was not involved in the research. “This is a potential cause of disease. Even with a relative, it’s probably not a good idea to share.”
After a spate of research showing that breast milk protects infants from infections and other ailments, health care providers in recent years have strongly encouraged new mothers to abandon formula and to breast-feed. But this can be a difficult challenge. Parents who have adopted, for instance, or have had mastectomies — or who simply do not produce enough milk — often rely on donated or purchased breast milk.
“Milk-sharing” Web sites host classified advertisements from women wishing to buy, sell or donate breast milk. “My daughter is two months old and has gained five pounds and grown three inches since birth!” reads one ad. “I have a serious oversupply and I am looking to free up room in my freezer.”
Some sites discourage paying for breast milk, while others actively endorse the practice. Advertisements from some sellers play up the convenience and price, which can be as low as $1.50 an ounce. But many women wish to donate milk simply to help out fellow mothers in need.
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Thursday, August 8th, 2013
Personality traits, including a proclivity for anxiety or social extroversion, have been found to correlate with a mother’s choice to feed her baby by bottle or breast. LiveScience.com has more on the study, which was published in the Journal of Advanced Nursing:
Dr. Amy Brown, who studies early nutrition at Swansea University in Wales, surveyed 602 mothers of infants ages 6 to 12 months, to see if personality traits were linked to breast-feeding rates. The women in the study ranged in age from 16 to 45 years old, and spanned a spectrum of income, education and professional achievement levels.
Brown found extroverted, conscientious and emotionally stable mothers were more likely to try breast-feeding. But being agreeable or open to new experiences made no difference, according to the findings published Tuesday (Aug. 6) in the Journal of Advanced Nursing.
More than 80 percent of the women in the study tried to breast-feed, but less than half who tried were still breast-feeding six months later. And women who switched from breast to bottle tended to switch quickly. About 73 percent of the women who stopped breast-feeding did so within two weeks after giving birth.
Women who were conscientious — for example, detailed-oriented and punctual — were likely to start, but also likely to stop breast-feeding.
Mothers who kept breast-feeding during the first six months were more extroverted and less anxious than mothers who always bottle-fed or switched to the bottle. The effect was particularly strong within the first six weeks after birth.
Image: Mother bottle-feeding her baby, via Shutterstock
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